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    <center>Scilab Function</center>
    <div align="right">Last update : April 1993</div>
    <p>
      <b>gpeche</b> -  a fishing program</p>
    <h3>
      <font color="blue">Calling Sequence</font>
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        <tt>[xk,ukp1]=gpeche(uk,pasg)  </tt>
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      <dd>
        <tt>[ut]=peche(t)  </tt>
      </dd>
      <dd>
        <tt>[pdot]=pechep(t,p)  </tt>
      </dd>
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    <h3>
      <font color="blue">Description</font>
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    <p>
      <tt>
        <b>gpeche</b>
      </tt> Iterates a gradient method on a fishing problem 
    Computes the trajectory associated to the command law <tt>
        <b>uk</b>
      </tt>
    prints the cost value and computes a new control.</p>
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